28557060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67993}}^1$

素因数の和:68012

約数の個数: 48

約数和(自身を含む): 91383936

約数和(自身を除く): 62826876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67993, 135986, 203979, 271972, 339965, 407958, 475951, 679930, 815916, 951902, 1019895, 1359860, 1427853, 1903804, 2039790, 2379755, 2855706, 4079580, 4759510, 5711412, 7139265, 9519020, 14278530, 28557060]

約数ペア:

[(1, 28557060), (2, 14278530), (3, 9519020), (4, 7139265), (5, 5711412), (6, 4759510), (7, 4079580), (10, 2855706), (12, 2379755), (14, 2039790), (15, 1903804), (20, 1427853), (21, 1359860), (28, 1019895), (30, 951902), (35, 815916), (42, 679930), (60, 475951), (70, 407958), (84, 339965), (105, 271972), (140, 203979), (210, 135986), (420, 67993)]